KOHLER K-3052-8-0 Iron/Impressions 43-Inch Cast Iron One-Piece Surface and Integrated Bathroom Sink, White Seamless, one-piece design allows for easy cleaning KOHLER Cast Iron Exterior dimensions: 43-5/8-Inch x 22-1/4-Inch Interior dimensions: 32-Inch x 13-7/8-Inch 8-Inch centers